Horseshoe-calk.



D. F. BAXTER & A. S. BEATTIE.

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` 928,927. Patented July 27, 1909. V

cannon.

DENNis FREEMAN BAXTER AND AMHERST sTEARNs BEATTIEUOF TRoY, NEW Yoan.

AHonsEsHon-oALK.

No. oeaee'z.

Specification of Letters Patent.

Application filed. April 10, 1909. Serial No. 489,159.

. Fatented July 27,* 1909.

To all whom it may concern:

Be it known that we, DnNN-is FREESIAN Baxrrn and Animasi' S'rnARNsBEATTIE, both of Troy, Rensselaervcounty, andv State of New York, haveinvented certain new and useful Impro'vements in HorseshoeCalks;

shoes and its object is to provide a calk.

which can be readily applied to or removed from the shoe with equalfacility; by any person of ordinary intelligence without spevcialtools,.and which requires no special machinery or skill to manufacture.

lVc will now describe the lnvention with 'reference to the accompanyingdrawings Which illustrate one form of calk embodying the invention, andwill refer to the claims for summaries of the parts and features forwhich protection is desired.

In said drawings-Figure l isa perspective view of part of a horse-shoeWith' a calk attached thereto, indicating the interior 'construction bydotted lines. tudinal vertical section on line 2-2, Fig. 1. Fig. 3 is adetail horizontal section on line 3 3,, Fig. 2. Figs. 4 and 5 are detailper-- s ective views of the calk and lockingopin etached. i

In the drawings 'A indicates part of a horse-shoe Which can be drilledat the points where it is desired to attach calks with round verticalholes, 4as a, for the reception of the' shanks of the cal-ks.

The calks B maybe of any desired forml and each has a shank b adapted tofit neatl'y 'in'any'one of the .holes in the shoe.x The holes a, a', soformed and located relative to each other in the shoe, that when theshank b of a calk is` inserted in a hole a. with its beveled face b'adjacent the hole a' and a pin C is inserted in such hole a' with itsbev- Fig. 2 is a longi-V and have no play therein;

eled face c ad'jacent the shank b, the beveled face c of the pinengage's the beveled face b' of the shank, and the pin locks 'the shank4securely in hole a and prevents the calk being Withdrawn from orturning on the shoe. Owing to the beveled face the pinqC is slightlytapered, although the hole aV is cylindric,'and consequently as the pinC is driven inward in hole a' it Wedges against the beveled face of theshank and locks it in hole a as described, and at the same time theshank binds` the pin C firmly in hole a'.

The shank b is beveled longitudinally .and

at-a' slight angle .to its axis and the pin c is also beveledlongitudinally at a slight angle.

to its axis, therefore the close fit and contact of the beveled faces ofthe pin and shank when inserted in the respective holes in the shoe,results insecurely looking the parts as described. After. the pin C haslocked the calk in place, as described, it may be secured againstpossible longitudinal movement, if desired, byV slightly upsetting,bending, or

spreading the smaller end' of the pin, or it' `might be secured in anyother preferred manner. Practically we have not found it necessary toemploy any extraneous fastening devices for the pin/C. f

With these devices the calks can be quickly and easily securedto a shoeand When secured are positivel lock'ed thereto ecause not only is theshank of the calk securely bound be- "tween the beveled pimand theopposite side of the shank hole, but the head of the calls issecurely'seated against the bottom of the shoe, as the action of theopposed beveled parts tends 'to draw the head of the calkb against theshoe.. If the pins shouldbecome loosened they can be readily driven homeagain with a hammer. Should a calk break or drop out there are noprojections or other delicate parts to be injured. The bottom edge ofthe shank hole might be closed in a little, but this couldy be obviatedby'slightly countersinking hole a. By arranging hole a' practically atone side of the hole a the shoe is not materially Weakened by theformation ofthese holes, and the shank of the calk can be madecomparatively small without rendering it practically unserviceable.

Having described our invention what we claim as new and desire to secureby Letters Patent is: x.

1. The combination of a shoe, a calk having a. shank beveled downwardlyand in- Wardly on one side and adapted to 'be en.- tered in a hole inthe shoe, and a cylindric pin flattened on one side adapted to beinserted in another hole in the shoe transversely of the shank, and haveits flattened side engage the beveled side of the shank to prevent bothlongitudinal and rotary movementof the calk.

2. The combination of a' shoe, a calk hav-,

ing a cylindric shank inserted in a vertical holein the shoe and beveledon one side, With a cylindric pin inserted in a hole in the shoeadjacent and at right angles to the shank hole flattened on` one side,the flattened side of the pin engaging the beveled side of the shankandv looking the latter in lcalk.

4. The combination of a shoe having intersecting vertical and transverseeylindric holes; With a calk having a cylindric shank inserted in thevertical hole in the shoe, and i o beveled adjacent the' horizontalhole, and a cylindric pin inserted in the transverse hole in the shoeadjacent the shank hole and beveled adjacent the vertical hole, thebeveled face of the pin engaging the beveled face of the shank andlooking the latter in position.

5. In combination a horse-shoe having shank holes and pin holesintersecting the shank holes, a calk having a shank provided With adoWnWardly' and inwardly inclined face on one side and adapted to beinserted in a shank hole in the shoe; and a cylindric pin having a flattapered side adapted to be inserted in a pin hole in the shoe adjacentthe shank hole, `the tapered side of the pin -r engaging the beveledface of the shank.

In testimony that we claim the foregoing a`s our own, We aiiix oursignatures in presence of two Witnesses.

DENNIS FREEMAN BAXTER. AMHERST STEARNS BEATTIE.

In presence of HENRY CoLv1N,. Ton S. VVoTKYNs.

